On 2015-10-11 15:35, Stephen Partington wrote:
google open relay test there are a number of ways to test.

Cool - I'll look for that.

If you are
behind cox then you have to use a forward via one of their servers.


That must be a requirement for a consumer account. If you upgrade to a business account you can run servers with no no blocked ports, etc. When I switched over the price difference was $25/mo.



On Sun, Oct 11, 2015 at 3:34 PM, Keith Smith
<[email protected]> wrote:

Hi,

How can I verify my server is not an open relay which will allow
others to send spam through my box?

Ubuntu 14.04LTS
Postfix+Dovecot

Thanks in advance

Keith
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Stephen



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